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Finding the Fourth Proportional to 273,413.70, 410,120.55 and 199,055.70

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Solution

The fourth proportional to 273,413.70, 410,120.55 and 199,055.70 is: 298,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,413.70 : 410,120.55 = 199,055.70 : x
  2. Step 2: Convert to fraction form
    273,413.70/410,120.55 = 199,055.70/x
  3. Step 3: Cross multiply
    273,413.70x = 410,120.55 × 199,055.70
  4. Step 4: Simplify right side
    273,413.70x = 81,636,833,164.64
  5. Step 5: Solve for x
    x = 81,636,833,164.64/273,413.70
  6. Step 6: Final answer
    x = 298,583.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.